Granite City Wind Forecast
Granite City Wind Statistics
September Wind
St. Louis Downtown Airport (9.3 miles)
Strongest 16 September, 2026
29.1mph SSEAverage September
4.4mph
Climate (2021–2026)
St. Louis Downtown Airport (9.3 miles)
Strongest 14 March, 2025
77mph SSWAverage 2021–2026
6.9mph